Is the crayfish a bug or a shrimp? Can I eat "shrimp yellow"?

Now it's crayfish season again, and it has become an important economically farmed species in China in recent years. So is the crayfish a bug or a shrimp? Can I eat "shrimp yellow"?

Is the crayfish a bug or a shrimp?

Crayfish is a kind of freshwater crayfish, which belongs to the subfamily Arthropoda, Crustacea. It also has its own scientific name, the original crayfish. The hometown of crayfish is neither China nor Japan, but comes from as far away as North America, and its main habitat is along the Gulf of Mexico, especially near the mouth of the Mississippi River.

Fast growth, strong adaptability, can survive in a clean environment and polluted environment, is the characteristics of this kind of shrimp, crayfish can eat a lot of food, a good appetite, is an omnivorous animal, aquatic plants, algae, aquatic insects, animal carcasses and so on.

Can crayfish "shrimp yellow" be eaten?

With regard to the shrimp yolk, some people think that it is the same as the crab roe, which is edible and has unique nutritional value; others think that the shrimp yolk is very dirty and must be cleaned up before it can be eaten, and they think that the shrimp yolk is like brains and is so disgusting that it is too disgusting to eat, let alone put it in their mouth. So which statement is true?

Shrimp roe, from this name, is similar to the name of crab roe, one is shrimp, the other is crab. Of course, it really matters. The name of shrimp yolk is the reference crab roe, so shrimp yolk is actually the egg of crayfish. Don't hear that eggs don't feel very nutritious. This is different from eggs. It's not exactly the essence of crayfish.

Shrimp yellow according to the study found that it contains a lot of protein, unsaturated fatty acids and so on, nutritional value is still there, but depends on the crayfish growth environment.

As the environment where we often eat crayfish is not very good, the environment of crayfish contains a lot of heavy metals, and the filtering place of crayfish is in the head, so the result is that all the heavy metals are precipitated in the head. At the same time, the shrimp yellow is also in the head, so it will cause heavy metals to infiltrate into the shrimp yellow. Eating once or twice will be fine. If you eat it for a long time, there will still be a big problem.

If you like to eat shrimp yellow, it is best to eat that kind of artificially farmed crayfish. Relatively speaking, that kind of crayfish is in a better environment, there will be no heavy metals, and this lobster is in batch, every few months, so there are not many heavy metal elements accumulated inside, so it is quite reassuring to eat. In addition, if you can, take a look at the crayfish to see if they are alive. If they are not alive, it is best not to eat them, because after death, some profiteers will use potions, which will cause health problems.